Washington Mutual (WM) dropped 11%. The nation's largest savings and loan, fell the most in 20 years after New York's Attorney General Andrew Cuomo announced he was investigating a "pattern of collusion'' on mortgage appraisals linked to the company. Washington mutual has lost more than $25 billion in market value this year.

Fannie Mae (FNM) dropped 6%. The lender finally reported all of its delinquent 2007 results to reveal a big Q3 loss, much like many of its mortgage-exposed brethren. The shortfall totaled $1.52 billion. – Tim Seymour thinks it’s a tough story that likely won’t get better.

Whirlpool (WHR) dropped 4%. Whirlpool dropped 4% on the week after Barrons said the company may not be insulated from the housing mess. – Guy Adami thinks the company is getting cheap on valuation.

DROP & POP (stocks that slid lower and jumped higher)

AIG (AIG) dropped 13% on the week but popped 3% on Friday. The insurance company warned in the conference call Thursday that revenue in some parts of the company, such as the mortgage insurance unit, would probably not improve next year. But then shares popped Friday...up more than 3% - Karen Finerman doesn’t know what to make of it.

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